Reed pitch pipes. Nominal pitch: G₃; D₄; A₄; E₅.
Date MadeProbably mid 20th century |
DescriptionTechnical description: Four pipes of german silver with brass reed plates joined in raft form giving violin open string tuning; sounding respectively G₃, D₄, A₄, E₅. Stamped on reed plates "G", "D", "A", "E". Usable pitch: "G", measured frequency +/- 0.1 cents, 194.81 Hz; G3 10.5 cents with respect to A4 = 440 Hz; -19.7 cents with respect to mean of set. "D", measured frequency +/- 0.1 cents, 299.45 Hz; D4 +33.7 cents with respect to A4 = 440 Hz; +24.5 cents with respect to mean of set. "A", measured frequency +/- 0.1 cents, 441.43 Hz; A4 +5.6 cents with respect to A4 = 440 Hz; -3.6 cents with respect to mean of set. "E", measured frequency +/- 0.1 cents, 662.70 Hz; E5 +8.1 cents with respect to A4 = 440 Hz; 1.1 cents with respect to mean of set. Mean of set, +9.2 cents with respect to A4 = 440 Hz; equivalent to A4 = 442.3 Hz; rms error, 15.8 cents. |
NotesRaymond Parks, 07.10.95; Arnold Myers, 11.9.95. |
MeasurementsWidth 41, pipe length 37. |
CollectionMIMEd; Reid Collection |
Accession Number1826 |